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Method for restoring leymus chinensis vegetation in northern strongly saline-alkali soil

A technology for severely saline-alkali land and Leymus chinensis, which is applied in botanical equipment and methods, plant cultivation, horticulture, etc., can solve problems such as restricting the popularization and application of Leymus chinensis, and achieve the effects of considerable economic benefits, easy popularization and low cost in the later stage.

Active Publication Date: 2017-03-15
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention aims to solve the technical problem that the original vegetation—Leymus chinensis cannot be planted directly in the severe saline-alkali land in the north at present, and can only be transplanted, and the transplanting method requires continuous irrigation management in the later stage, which restricts the large-scale popularization and application of Leymus chinensis. And provide a kind of method for recovering Leymus chinensis vegetation in the severe saline-alkali land in the north

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  • Method for restoring leymus chinensis vegetation in northern strongly saline-alkali soil

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specific Embodiment approach 1

[0024] Specific embodiment one: present embodiment is a kind of method for recovering Leymus chinensis vegetation in northern severe saline-alkali land, specifically carries out according to the following steps:

[0025] 1. Use a plow to open multiple ditches in parallel in the severe saline-alkali land in the north. The cross-section of the ditch is an inverted triangle, the width of the ditch at the horizontal plane is 5cm to 15cm, and the depth of the ditch is 5cm to 15cm;

[0026] Two, apply the blown-sandy soil within 1000m of the heavy saline-alkali land periphery described in step 1 to the open ditch to the highest point of the blown-sandy soil, 2cm away from the horizontal plane;

[0027] 3. Apply Leymus chinensis seeds to the sandy soil in the ditch, and the amount of Leymus chinensis seeds applied is 20kg-40kg / ha of severe saline-alkali land;

[0028] 4. Apply the wind-sand soil in the severe saline-alkali land area described in step 1 with a thickness of 2 cm on the...

specific Embodiment approach 2

[0031] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in step 1, the width of the ditch at the horizontal plane is 5 cm, and the depth of the ditch is 5 cm. Others are the same as the first embodiment.

specific Embodiment approach 3

[0032] Embodiment 3: The difference between this embodiment and Embodiment 1 is that in step 1, the width of the ditch at the horizontal plane is 10 cm, and the depth of the ditch is 10 cm. Others are the same as the first embodiment.

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Abstract

The invention provides a method for restoring leymus chinensis vegetation in northern strongly saline-alkali soil, and relates to the method for restoring leymus chinensis vegetation. The method for restoring leymus chinensis vegetation in the northern strongly saline-alkali soil aims to solve the technical problem that native vegetation--leymus chinensis cannot be directly planted in the northern strongly saline-alkali soil, planting leymus chinensis can be only achieved through a transplanting method, but the transplanting method needs later continuous irrigation management, and large-area application and popularization of leymus chinensis are restricted. The method for restoring leymus chinensis vegetation in the northern strongly saline-alkali soil comprises the steps of 1, furrowing through a plough; 2, applying aeolian sandy soil into the furrow; 3, applying leymus chinensis seeds onto the aeolian sandy soil in the furrow; 4, applying the aeolian sandy soil onto the surface of leymus chinensis seeds in the furrow; 5, using a compacting machine to compact the aeolian sandy soil in the furrow. The method for restoring leymus chinensis vegetation in the northern strongly saline-alkali soil is low in cost and easy to popularize, and has later economic benefits. The method for restoring leymus chinensis vegetation in the northern strongly saline-alkali soil is applied to fast restoration of saline-alkali soil leymus chinensis vegetation.

Description

technical field [0001] The invention relates to a method for recovering Leymus chinensis vegetation. Background technique [0002] Foreign research status: Soil salinization is a worldwide problem (Szabolcs 1989). Since the beginning of the 20th century, the restoration and management of salinized land has a history of more than 100 years (Qadir et al. 2001). International research on saline-alkali land treatment mainly focuses on farmland soil. In terms of treatment technology, on the one hand, based on the laws of water and salt migration in saline-alkali soil, physical methods are adopted, such as turning rakes, covering straw, and setting ditches to build ridges, etc. to improve the surface structure. , improve water infiltration, reduce water evapotranspiration, block the rise of salinity, or directly dig ditches to drain and wash salt, so as to reduce the salinity of the topsoil and facilitate plant growth (Bakker et al.2010a,b); on the one hand, based on the chemical ...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 黄迎新范高华周道玮
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S